From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Hand-drawn conceptual diagrams and notes for an internal combustion engine design.
Identifier | ExFiles\Box 79\2\ scan0097 | |
Date | 9th February 1921 guessed | |
VACUUM GAUGE. 4 EXPLOSIONS PER REVOLUTION OF C'SHAFT. CARBURETTOR. No CRANKCASE COMPRESSION NEEDED OR DIVIDED. CRANKCASE COMPRESSION ABSORBS 20% OF THE HP OF ENGINE. WIPE OUT THIS LOSS. PATENT APPARATUS. This pipe discharges the fresh mixture up to the top of the cylinder well clear of the exhaust. 15 lbs PRESSURE. VACUUM. FIRING. all ports closed + correct. PATENT PISTON. PLAN. CARBURETTOR. PLAN. AIR. 32 fahr. = 160 fahr. 80 fahr = 400 fahr. when both compressed to five atmospheres in engine 714 fahr. | ||